U.S. patents available from 1976 to present.
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Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

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Class 505/907 - Support structure


Subclass of Class 505 - Superconductor technology: apparatus, material, process
Definition: Subject matter for a fixture, appliance, or feature which
No. of patents: 3
Last issue date: 10/02/1990


NumberTitleIssue Date
4960760Contactless mass transfer system
An apparatus designed to move mass without contact is described. The apparatus contains a chamber which is formed by alternating sections of superconducting material and electromagnetic coils. The chamber is cooled to below the critical temperature of the...
10/02/1990
4273054Vehicle vibration damping method in the induced repulsion type magnetically suspended railway vehicle
In an induced repulsion type magnetic suspension system for a railway vehicle, superconductive magnets of opposite polarities are alternately set at specific intervals in the longitudinal direction of vehicle, while in the longitudinal direction of the tr...
06/16/1981
3930451Roadway for high performance rapid transit railways
A roadway for rapid transit railways comprises concrete or reinforced concrete piers supporting an all steel support or suspension structure for the support and/or suspension as well as guiding of the vehicles....
01/06/1976
 
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